Math miscellaneousHard
Question
The non-zero verctors 
, 
and 
are related by 
and 
. Then the angle between 
and 
is
, and are related by and . Then the angle between and isOptions
A.0
B.π/4
C.π/2
D.π
Solution
Since 
∴
and 
are like vectors and and 
are unlike.
⇒
and 
will be unlike
Hence, angle between and = π
∴
and are like vectors and and are unlike.⇒
and will be unlike Hence, angle between
and = π Create a free account to view solution
View Solution FreeMore Math miscellaneous Questions
The number of real solutions of the equation x2 - 3 |x| + 2 = 0 is...The intercepts on x-axis made by tangents to the curve, which are parallel to the line y = 2x, are equal to...If a ∈ R and the equation -3(x - [x])2 + 2 (x - [x]) + a2 = 0 (where [x] denotes the greatest integer ≤ x) h...If = (a3 + b3 + c3 + kabc)2 then k is equal to :-...The number of five digit numbers that contains digit 7 exactly once is if digits may be repeated)...